Kepler-257
Kepler-257 is a star 2,545 light years away with 3 known planets. They were all found in 2014.
Open in 3DPlanets
| Planet | Orbital period | Distance from star | Radius (Earths) | Mass (Earths) | Found | Method |
|---|---|---|---|---|---|---|
| Kepler-257 b | 2.383 days | 0.034 AU | 2.61 | 2014 | Transit | |
| Kepler-257 c | 6.581 days | 0.066 AU | 5.41 | 2014 | Transit | |
| Kepler-257 d | 24.66 days | 0.16 AU | 4.95 | 2014 | Transit |
Star
- 5,180 K surface temperature
- 0.916 times the mass of the Sun
- 1.037 times the radius of the Sun
Data from the NASA Exoplanet Archive, as of October 3, 2026. In the 3D view sizes and distances are compressed and every orbit is drawn in the same plane. Where each planet sits along its orbit is made up.